/* * Copyright (C) 2016 Felix Fietkau * Copyright (C) 2018 Stanislaw Gruszka * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef __MT76X02_MAC_H #define __MT76X02_MAC_H struct mt76x02_dev; struct mt76x02_tx_status { u8 valid:1; u8 success:1; u8 aggr:1; u8 ack_req:1; u8 wcid; u8 pktid; u8 retry; u16 rate; } __packed __aligned(2); #define MT_VIF_WCID(_n) (254 - ((_n) & 7)) #define MT_MAX_VIFS 8 struct mt76x02_vif { struct mt76_wcid group_wcid; /* must be first */ u8 idx; }; struct mt76x02_sta { struct mt76_wcid wcid; /* must be first */ struct mt76x02_vif *vif; struct mt76x02_tx_status status; int n_frames; }; #define MT_RXINFO_BA BIT(0) #define MT_RXINFO_DATA BIT(1) #define MT_RXINFO_NULL BIT(2) #define MT_RXINFO_FRAG BIT(3) #define MT_RXINFO_UNICAST BIT(4) #define MT_RXINFO_MULTICAST BIT(5) #define MT_RXINFO_BROADCAST BIT(6) #define MT_RXINFO_MYBSS BIT(7) #define MT_RXINFO_CRCERR BIT(8) #define MT_RXINFO_ICVERR BIT(9) #define MT_RXINFO_MICERR BIT(10) #define MT_RXINFO_AMSDU BIT(11) #define MT_RXINFO_HTC BIT(12) #define MT_RXINFO_RSSI BIT(13) #define MT_RXINFO_L2PAD BIT(14) #define MT_RXINFO_AMPDU BIT(15) #define MT_RXINFO_DECRYPT BIT(16) #define MT_RXINFO_BSSIDX3 BIT(17) #define MT_RXINFO_WAPI_KEY BIT(18) #define MT_RXINFO_PN_LEN GENMASK(21, 19) #define MT_RXINFO_SW_FTYPE0 BIT(22) #define MT_RXINFO_SW_FTYPE1 BIT(23) #define MT_RXINFO_PROBE_RESP BIT(24) #define MT_RXINFO_BEACON BIT(25) #define MT_RXINFO_DISASSOC BIT(26) #define MT_RXINFO_DEAUTH BIT(27) #define MT_RXINFO_ACTION BIT(28) #define MT_RXINFO_TCP_SUM_ERR BIT(30) #define MT_RXINFO_IP_SUM_ERR BIT(31) #define MT_RXWI_CTL_WCID GENMASK(7, 0) #define MT_RXWI_CTL_KEY_IDX GENMASK(9, 8) #define MT_RXWI_CTL_BSS_IDX GENMASK(12, 10) #define MT_RXWI_CTL_UDF GENMASK(15, 13) #define MT_RXWI_CTL_MPDU_LEN GENMASK(29, 16) #define MT_RXWI_CTL_EOF BIT(31) #define MT_RXWI_TID GENMASK(3, 0) #define MT_RXWI_SN GENMASK(15, 4) #define MT_RXWI_RATE_INDEX GENMASK(5, 0) #define MT_RXWI_RATE_LDPC BIT(6) #define MT_RXWI_RATE_BW GENMASK(8, 7) #define MT_RXWI_RATE_SGI BIT(9) #define MT_RXWI_RATE_STBC BIT(10) #define MT_RXWI_RATE_LDPC_EXSYM BIT(11) #define MT_RXWI_RATE_PHY GENMASK(15, 13) #define MT_RATE_INDEX_VHT_IDX GENMASK(3, 0) #define MT_RATE_INDEX_VHT_NSS GENMASK(5, 4) struct mt76x02_rxwi { __le32 rxinfo; __le32 ctl; __le16 tid_sn; __le16 rate; u8 rssi[4]; __le32 bbp_rxinfo[4]; }; #define MT_TX_PWR_ADJ GENMASK(3, 0) enum mt76x2_phy_bandwidth { MT_PHY_BW_20, MT_PHY_BW_40, MT_PHY_BW_80, }; #define MT_TXWI_FLAGS_FRAG BIT(0) #define MT_TXWI_FLAGS_MMPS BIT(1) #define MT_TXWI_FLAGS_CFACK BIT(2) #define MT_TXWI_FLAGS_TS BIT(3) #define MT_TXWI_FLAGS_AMPDU BIT(4) #define MT_TXWI_FLAGS_MPDU_DENSITY GENMASK(7, 5) #define MT_TXWI_FLAGS_TXOP GENMASK(9, 8) #define MT_TXWI_FLAGS_NDPS BIT(10) #define MT_TXWI_FLAGS_RTSBWSIG BIT(11) #define MT_TXWI_FLAGS_NDP_BW GENMASK(13, 12) #define MT_TXWI_FLAGS_SOUND BIT(14) #define MT_TXWI_FLAGS_TX_RATE_LUT BIT(15) #define MT_TXWI_ACK_CTL_REQ BIT(0) #define MT_TXWI_ACK_CTL_NSEQ BIT(1) #define MT_TXWI_ACK_CTL_BA_WINDOW GENMASK(7, 2) struct mt76x02_txwi { __le16 flags; __le16 rate; u8 ack_ctl; u8 wcid; __le16 len_ctl; __le32 iv; __le32 eiv; u8 aid; u8 txstream; u8 ctl2; u8 pktid; } __packed __aligned(4); static inline bool mt76x02_wait_for_mac(struct mt76_dev *dev) { const u32 MAC_CSR0 = 0x1000; int i; for (i = 0; i < 500; i++) { if (test_bit(MT76_REMOVED, &dev->state)) return false; switch (dev->bus->rr(dev, MAC_CSR0)) { case 0: case ~0: break; default: return true; } usleep_range(5000, 10000); } return false; } void mt76x02_mac_set_short_preamble(struct mt76x02_dev *dev, bool enable); int mt76x02_mac_shared_key_setup(struct mt76x02_dev *dev, u8 vif_idx, u8 key_idx, struct ieee80211_key_conf *key); int mt76x02_mac_wcid_set_key(struct mt76x02_dev *dev, u8 idx, struct ieee80211_key_conf *key); void mt76x02_mac_wcid_sync_pn(struct mt76x02_dev *dev, u8 idx, struct ieee80211_key_conf *key); void mt76x02_mac_wcid_setup(struct mt76x02_dev *dev, u8 idx, u8 vif_idx, u8 *mac); void mt76x02_mac_wcid_set_drop(struct mt76x02_dev *dev, u8 idx, bool drop); void mt76x02_mac_wcid_set_rate(struct mt76x02_dev *dev, struct mt76_wcid *wcid, const struct ieee80211_tx_rate *rate); bool mt76x02_mac_load_tx_status(struct mt76x02_dev *dev, struct mt76x02_tx_status *stat); void mt76x02_send_tx_status(struct mt76x02_dev *dev, struct mt76x02_tx_status *stat, u8 *update); int mt76x02_mac_process_rx(struct mt76x02_dev *dev, struct sk_buff *skb, void *rxi); void mt76x02_mac_set_tx_protection(struct mt76x02_dev *dev, bool legacy_prot, int ht_mode); void mt76x02_mac_set_rts_thresh(struct mt76x02_dev *dev, u32 val); void mt76x02_mac_setaddr(struct mt76x02_dev *dev, const u8 *addr); void mt76x02_mac_write_txwi(struct mt76x02_dev *dev, struct mt76x02_txwi *txwi, struct sk_buff *skb, struct mt76_wcid *wcid, struct ieee80211_sta *sta, int len); void mt76x02_mac_poll_tx_status(struct mt76x02_dev *dev, bool irq); void mt76x02_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid, struct mt76_queue_entry *e); void mt76x02_update_channel(struct mt76_dev *mdev); void mt76x02_mac_work(struct work_struct *work); void mt76x02_mac_set_bssid(struct mt76x02_dev *dev, u8 idx, const u8 *addr); int mt76x02_mac_set_beacon(struct mt76x02_dev *dev, u8 vif_idx, struct sk_buff *skb); void mt76x02_mac_set_beacon_enable(struct mt76x02_dev *dev, struct ieee80211_vif *vif, bool val); void mt76x02_edcca_init(struct mt76x02_dev *dev, bool enable); #endif